Home / 156,948.36-216,592.98-85,333.32

Finding the Fourth Proportional to 156,948.36, 216,592.98 and 85,333.32

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Solution

The fourth proportional to 156,948.36, 216,592.98 and 85,333.32 is: 117,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.36 : 216,592.98 = 85,333.32 : x
  2. Step 2: Convert to fraction form
    156,948.36/216,592.98 = 85,333.32/x
  3. Step 3: Cross multiply
    156,948.36x = 216,592.98 × 85,333.32
  4. Step 4: Simplify right side
    156,948.36x = 18,482,598,072.09
  5. Step 5: Solve for x
    x = 18,482,598,072.09/156,948.36
  6. Step 6: Final answer
    x = 117,762.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.